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109493220 = 22351824887
BaseRepresentation
bin1101000011010…
…11101111100100
321122000211110110
412201223233210
5211012240340
614510453020
72466451134
oct641535744
9248024413
10109493220
1156895971
1230804170
13198b87b5
1410782ac4
15992c680
hex686bbe4

109493220 has 24 divisors (see below), whose sum is σ = 306581184. Its totient is φ = 29198176.

The previous prime is 109493171. The next prime is 109493227. The reversal of 109493220 is 22394901.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (109493227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 912384 + ... + 912503.

It is an arithmetic number, because the mean of its divisors is an integer number (12774216).

Almost surely, 2109493220 is an apocalyptic number.

109493220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109493220 is an abundant number, since it is smaller than the sum of its proper divisors (197087964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109493220 is a wasteful number, since it uses less digits than its factorization.

109493220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1824899 (or 1824897 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 109493220 is about 10463.9008022821. The cubic root of 109493220 is about 478.4050359179.

The spelling of 109493220 in words is "one hundred nine million, four hundred ninety-three thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1824887 3649774 5474661 7299548 9124435 10949322 18248870 21898644 27373305 36497740 54746610 109493220